Look this complicated cultivar. It has 776 ancestors. Excluding common ones, it is 126. Maximum generation traced is 14.
Using the value "0.492" of kinship to Koshihikari, further analysis with agronomic characters is possible.

***  Pedigree tree of "Massigura" ***   
 
 ou341..... chubu49... chubu26... shurei.... gintoub... ginga..... shuho..... norin6.... joshu..... 
                                                                                         kiryoyosi. 
                                                                              futaba.... sinju2.... tasensho.. ban68..... rikutosens 
                                                                                                                          koban33... sinriki... 
                                                                                                                                     sinsekitor 
                                                                                                               chuben122. nakatesinr 
                                                                                                                          benkei116. 
                                                                                                    aitiwaseas asahi..... 
                                                                                                               aitihayain kiryoyosi. - shown   
                                                                                                                          manzai.... 
                                                                                         takaneasah waseasahi. 
                                                                                                    wasesinrik 
                                                                   rikuu132.. aikoku.... 
                                                                              kamenoo... 
                                                        fujisaka5. futaba.... - shown   
                                                                   zensekiwas itadowase. 
                                                                              kyuigo.... 
                                             akibare... homarenisi shuho..... - shown   
                                                                   norin22... norin8.... aikoku.... - shown   
                                                                                         asahi..... - shown   
                                                                              norin6.... - shown   
                                                        wakagane.. wakaba2... shuho..... - shown   
                                                                              norin22... - shown   
                                                                   kinmaze... ryosaku... tasensho.. - shown   
                                                                                         senbonasah 
                                                                              aitinakate honenasahi sirosenbon 
                                                                                                    aitiasahi. asahi..... - shown   
                                                                                                               senbonsen. 
                                                                                         siganakate 
                                  oozora.... yamajiwase norin1.... oba....... 
                                                                   rikuu132.. - shown   
                                                        wakaba5... 
                                             kosihikari norin22... - shown   
                                                        norin1.... - shown   
                       hatubosi.. kosihikari - shown   
                                  kiho...... (34-11b)f6 ginga..... - shown   
                                                        fujisaka5. - shown   
                                             akibare... - shown   
            akitakomat kosihikari - shown   
                       ou292..... pino4..... f4_n8..... f3_n8..... f2_n8..... f1_n8_pi.. tadukan... 
                                                                                         norin8.... - shown   
                                                                              norin8.... - shown   
                                                                   norin8.... - shown   
                                                        norin8.... - shown   
                                             norin8.... - shown   
                                  fxsan/d43. sanpuku... f2_hok_n23 hokusin1.. hokusifuto 
                                                                              sinju..... tasensho.. - shown   
                                                                                         aitiwaseas - shown   
                                                                   norin23... norin8.... - shown   
                                                                              norin6.... - shown   
                                                        tozan41... norin8.... - shown   
                                                                   norin6.... - shown   
                                             daikei437. f1_54b_597 54bc-68... fxze/59... zenith.... 
                                                                                         597....... kinki11... aikoku.... - shown   
                                                                                                               asahi..... - shown   
                                                                                                    norin37... norin8.... - shown   
                                                                                                               norin6.... - shown   
                                                                              597....... - shown   
                                                                   norin41... kyotosinas 
                                                                              hokuriku14 karihasins 
                                                                                         sinigou... 
                                                        miyosi.... fujisaka5. - shown   
                                                                   sasasigure norin8.... - shown   
                                                                              tohoku24.. kamenoo... - shown   
                                                                                         asahi..... - shown   
 yamagata40 hananomai. hokuriku99 hoku_todo. kosihomare kosihikari - shown   
                                                        shu921.... hatuminori norin21... asahi..... - shown   
                                                                                         norin1.... - shown   
                                                                              norin1.... - shown   
                                                                   fujisaka5. - shown   
                                             todorokiwa shu921.... - shown   
                                                        honenwase. norin22... - shown   
                                                                   norin1.... - shown   
                                  shu1830... zensho26.. sigasekito 
                                                        shoyu..... wataribune 
                                                                   kodama.... 
                                             fujiminori norin17... asahi..... - shown   
                                                                   kamenoo... - shown   
                                                        fujisaka5. - shown   
                       kosihikari - shown   
            ou312..... akihikari. toyonisiki sasanisiki hatunisiki norin22... - shown   
                                                                   norin1.... - shown   
                                                        sasasigure - shown   
                                             ou239..... yamasenisi norin22... - shown   
                                                                   norin1.... - shown   
                                                        fujisaka5. - shown   
                                  fujiminori - shown   
                       bikei94... fxde/re... dewatikara nihonkai.. norin8.... - shown   
                                                                   sin7...... asahi..... - shown   
                                                                              sin2...... kamenoo... - shown   
                                                                                         aikoku.... - shown   
                                                        bikei52... norin36... kanto11... kiryoyosi. - shown   
                                                                                         araki..... 
                                                                              norin8.... - shown   
                                                                   fujisaka5. - shown   
                                             fujiminori - shown   
                                  sasanisiki - shown

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